Is Peritrate life-sustaining?
D000368:Aged; D000787:Angina Pectoris / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D006801:Humans; D008875:Middle Aged; D010417:Pentaerythritol Tetranitrate / Q000627:therapeutic use*; D010919:Placebos
D010919:Placebos; D010417:Pentaerythritol Tetranitrate